67869520531 has 2 divisors, whose sum is σ = 67869520532. Its totient is φ = 67869520530.

The previous prime is 67869520489. The next prime is 67869520547. The reversal of 67869520531 is 13502596876.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 67869520531 - 2¹³ = 67869512339 is a prime.

It is a super-2 number, since 2×67869520531² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (67860520531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33934760265 + 33934760266.

It is an arithmetic number, because the mean of its divisors is an integer number (33934760266).

Almost surely, 2^67869520531 is an apocalyptic number.

67869520531 is a deficient number, since it is larger than the sum of its proper divisors (1).

67869520531 is an equidigital number, since it uses as much as digits as its factorization.

67869520531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2721600, while the sum is 52.

The spelling of 67869520531 in words is "sixty-seven billion, eight hundred sixty-nine million, five hundred twenty thousand, five hundred thirty-one".